中熟大白菜新品种京秋3号的选育

A New Chinese Cabbage F_1 Hybrid with Mid-maturity—‘Jingqiu No.3'

京秋3号是利用多材料复合杂交创新种质技术育成的中熟大白菜一代杂种。生育期72～75d(天),整齐度高,外叶深绿色,叶面稍皱,开展度较小,叶球中桩叠抱,后期壮心速度快,紧实,单球净质量4kg左右,每667m2净菜产量6000～7500kg。口感佳,品质优,高抗病毒病和黑腐病,抗霜霉病,耐贮运。适应性广,适于北京、河北、天津、辽宁、吉林、黑龙江、内蒙古、山东等地种植,2002年以来累计推广面积逾46万hm2。

＇Jingqiu No.3＇is a high quality Chinese cabbage F1 hybrid with high resistance to virus disease,resistance to black rot and downy mildew.It can be harvested in 72-75 days after sowing.The average head weight is about 4.0 kg.It is good for storage and transportation.Its yield is about 90.0-112.5 t·hm-2.It is suitable to be cultivated in Beijing,Hebei,Tianjin,Liaoning,Jilin,Heilongjiang,Inner Mongolia and Shandong.It has been extended to over 460 000 hm2 since 2002.